This short video gives an overview of what pilonidal cyst is, how it develops, associated risk factors, signs and symptoms with which a patient presents, its differential diagnosis, medical and surgical treatment and recurrence rate. Timeline: 0:00 – Intro 0:07 – What is pilonidal sinus? 0:30 – Causes of pilonidal sinus 0:56 – Signs and symptoms 1:23 – Differential diagnosis 1:46 – Treatment (medical and surgical) 2:42 – Recurrence